Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000858581 | |||
| Series S000002089 | T. Rowe Price Equity Index 500 Fund | ||
| Class/Contract C000005457 | T. Rowe Price Equity Index 500 Fund | PREIX | |
| Class/Contract C000159677 | T. Rowe Price Equity Index 500 Fund-I Class | PRUIX | |
| Class/Contract C000219327 | T. Rowe Price Equity Index 500 Fund-Z Class | TRHZX | |
| Status | Name | Ticker Symbol | |
| CIK 0000858581 | |||
| Series S000002090 | T. Rowe Price Extended Equity Market Index Fund | ||
| Class/Contract C000005458 | T. Rowe Price Extended Equity Market Index Fund | PEXMX | |
| Status | Name | Ticker Symbol | |
| CIK 0000858581 | |||
| Series S000002091 | T. Rowe Price Total Equity Market Index Fund | ||
| Class/Contract C000005459 | T. Rowe Price Total Equity Market Index Fund | POMIX | |
| Status | Name | Ticker Symbol | |
| CIK 0000858581 | |||
| Series S000051326 | T. Rowe Price Mid-Cap Index Fund | ||
| Class/Contract C000161835 | T. Rowe Price Mid-Cap Index Fund | TRMNX | |
| Class/Contract C000161836 | T. Rowe Price Mid-Cap Index Fund-I Class | TRMSX | |
| Class/Contract C000219328 | T. Rowe Price Mid-Cap Index Fund-Z Class | TRSZX | |
| Status | Name | Ticker Symbol | |
| CIK 0000858581 | |||
| Series S000051327 | T. Rowe Price Small-Cap Index Fund | ||
| Class/Contract C000161837 | T. Rowe Price Small-Cap Index Fund | TRSYX | |
| Class/Contract C000161838 | T. Rowe Price Small-Cap Index Fund-I Class | TRCSX | |
| Class/Contract C000219329 | T. Rowe Price Small-Cap Index Fund-Z Class | TRZIX | |
IRS No.: 000000000 | State of Incorp.: MD | Fiscal Year End: 1231
Type: N-CEN | Act: 40 | File No.: 811-05986 | Film No.: 24741267